Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Flora of Cornwall (1999)

The descriptive text, below the map, is from the Flora of Cornwall (1999), which was a Tetrad Atlas (the maps had 2km square dots or Tetrads). The map on this web page depicts the plant's distribution at the 1km square scale and shows the records made pre-2000 which were used in the 1999 Flora and those made since.

Fallopia japonica var. compacta - Dwarf Japanese Knotweed

A fine stand of this male-sterile variety of Japanese Knotweed grows along a roadside verge near Newbridge (SW43F, 1987, K. & M.Campin). In 1989 the plants produced fruiting perianths in abundance, some with seed (Bailey & Conolly, 1991).


French, C.N., Murphy, R.J. & Atkinson, M. 1999. Flora of Cornwall. Wheal Seton Press, Camborne.